Added Random Number Generator

[Janani-m17]

Fixes Issue🛠️

Closes #830

Description👨‍💻

I have added the random number generator which randomly generates a number.

Type of change📄

A Random Number Generator has been added.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

How this has been tested✅

I have tested the working of this feature

Checklist✅

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added demonstration in the form of GIF/video file
• I am an Open Source Contributor

Screenshots/GIF📷

@Rakesh9100

[netlify]

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[github-actions]

Hey @Janani-m17, Welcome to the project CalcDiverse! 🎊
Thanks for your contribution! Your effort makes this project better. Keep it up! 🙌
Please wait for the PR to be reviewed. Happy Coding!! ✨